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bertha the tunneling machine

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All about winter preparation, avalanche control, and driving in winter conditions.

Pictured: The world's most powerful tunnel-boring machine ...

Engineers are still desperately trying to rescue the world's largest tunneling machine that is stuck under the city of Seattle. Bertha, a five story-high drilling machine that was custom-built to drill the Alaska Way, ground to a halt in December after stopped by an 8-inch diameter steel pipe. But ...

SBF Glossary: D -

Warning, spoilers ahead. Rasselas doesn't get out until chapter 15. His favorite sister, Princess Nekayah, comes along. They spend 33 chapters searching for the secret of happiness.

SBF Glossary: D -

Warning, spoilers ahead. Rasselas doesn't get out until chapter 15. His favorite sister, Princess Nekayah, comes along. They spend 33 chapters searching for the secret of happiness.

3 Mega TBMs to Build Mumbai – Ahmedabad HSR Line's Tunnel ...

And here's a look at TBM Bertha – the most popular (and infamous) Mega TBM in recent history, which was manufactured by Hitachi-Zosen with a diameter of 17.4m for Seattle's SR99 highway project –

Tunnel boring machine - Wikipedia

A tunnel boring machine (TBM), also known as a "mole", is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata.They may also be used for microtunneling.

Norway's Bold, Maybe Foolhardy Plan to Build the World's ...

Norway is home to more than 1,100 road tunnels. They cut through the mountains and stretch under its deep sea, allowing vehicles a more direct route through the country's challenging terrain. The Scandinavian country has burrowed thoroughfares for nearly every mode of transportation—except one ...

Alaskan Way Viaduct - Follow Bertha

Follow Bertha Thank you for following Bertha. The SR 99 tunneling machine, nicknamed Bertha, has completed her work. For the latest tunnel progress, visit our new tracker page.

24 Digging Machines That Created a World Beneath Our Feet

1908. Machine used in Gary, West Virginia digs the coal and loads it onto the car. With it, three men could do the work of 50 in the old way.

Alaskan Way Viaduct - Home

One year ago, with a roar of water and concrete tumbling, the tunneling machine Bertha broke through into the disassembly pit, completing her 1.7-mile journey under downtown Seattle.

Elon Musk's Boring Company Wants to Build a Network of ...

In Elon Musk's fantastic vision of the future, cars will drive themselves—when they aren't being whisked through the vast networks of tunnels he envisions beneath the world's cities. Musk, who started digging a big hole on the SpaceX campus near Los Angeles earlier this year, proposes using these ...

Bertha – The Tunnel is Finished, but Her Legacy Continues ...

The Tunnel Boring Machine ("TBM") known as "Bertha," built by Hitachi Zosen Corp in Osaka, Japan, was the world's largest TBM at 57.5 ft. in diameter.

The World's 25 Most Impressive Megaprojects

The World's 25 Most Impressive Megaprojects. The biggest and boldest projects on the planet.

Under Seattle, a Big Object Blocks Bertha. What Is It? - The ...

Dec 19, 2013 · In October, workers walked through the first rings of the highway tunnel being built under Seattle's waterfront toward the boring machine called Bertha.

The Penguins of Madagascar (Western Animation) - TV Tropes

A description of tropes appearing in Penguins of Madagascar. A spin-off of the Madagascar films that aired on Nickelodeon. It is an All-CGI Cartoon featuring …

Wound exudate types - Wound Care Advisor

BY: NANCY MORGAN, RN, BSN, MBA, WOCN, WCC, CWCMS, DWC What exactly is wound exudate? Also known as drainage, exudate is a liquid produced by the body in response to tissue damage.

Seattle Now & Then | DorpatSherrardLomont

Since 1982, Paul has written his popular column for the Seattle Times Sunday magazine. We will be archiving them here, starting with a handful of more recent contributions and continuing to add more as time and effort permit.

Mysterious 'unknown object' blocks progress of huge drilling ...

A mysterious object has blocked the world's largest tunneling machine from finishing an underground highway in Seattle. The drilling machine know as Bertha – at five stories high and operated by a crew of 20 people - struck something it couldn't bore through on December 6 and has been unable ...

Tunnel - Wikipedia

A tunnel is an underground passageway, dug through the surrounding soil/earth/rock and enclosed except for entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube construction techniques rather than traditional tunnel boring methods.

Disney Trivia

Ron and Marie's Disney Trivia offers the internets only free daily Disney Trivia email list where a new question is sent out every day

The Future Machines of the Year 2100 - Popular Mechanics

The Future Machines of the Year 2100. Space elevators, tiny machine "swarms," flying cars, and human/machine mind melds are just the beginning of the future.


Primarily a "railroad" Blog — but easily distracted by subjects which I find fascinating!